22980540 has 48 divisors (see below), whose sum is σ = 70197120. Its totient is φ = 5570880.

The previous prime is 22980521. The next prime is 22980553. The reversal of 22980540 is 4508922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22980498 and 22980507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16750 + ... + 18069.

It is an arithmetic number, because the mean of its divisors is an integer number (1462440).

Almost surely, 2^22980540 is an apocalyptic number.

22980540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22980540 is an abundant number, since it is smaller than the sum of its proper divisors (47216580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22980540 is a wasteful number, since it uses less digits than its factorization.

22980540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34842 (or 34840 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22980540 is about 4793.8022487374. The cubic root of 22980540 is about 284.3064700624.

The spelling of 22980540 in words is "twenty-two million, nine hundred eighty thousand, five hundred forty".